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IoT chess board software

Though I have completed all the hardware of my IoT chess board, I am still in the process of developing the software for it.

An Arduino MEGA sits underneath the board and controls the hardware, while a Raspberry Pi runs a webserver and takes care of the processing. Therefore the software development comes in three parts:

The Arduino software, for physically controlling the LEDs and detection circuit on the board

The communication protocol between the Arduino and Raspberry Pi

The Raspberry Pi software, creating a functioning webserver with an online UI.

I have completed the first two modules, leaving the Pi server as the last task in this project. You can find source code for my Arduino libraries Chess (for controlling the board hardware) and ChessSerial (for handling Serial communications with the Pi) at https://github.com/bengineer19/chess